Revert "Write to characteristics without response"
Revert "Write to characteristics without response"

This reverts commit 89e4fc8f275f94d252e086d969b9d5d00a2af9d8.

mikaelkindborg/evothings-libraries,mikaelkindborg/evothings-libraries,evothings/evothings-libraries,evothings/evothings-libraries,evothings/evothings-libraries,mikaelkindborg/evothings-libraries